--- product_id: 736078834 title: "Definitive Technology Dymension DM40 Slim Tower Speaker, Adjustable Bipolar Array, (4) 4.5\" Midrange Woofer, Tweeter, Dolby Atmos/DTS: X Ready with DM95 Height Module (sold separately), Black" brand: "definitive technology" price: "£1550.00" currency: GBP in_stock: true reviews_count: 1 category: "Definitive Technology" url: https://www.desertcart.co.uk/products/736078834-definitive-technology-dymension-dm40-slim-tower-speaker-adjustable-bipolar-array store_origin: GB region: United Kingdom --- # Dolby Atmos/DTS:X ready Slim 95cm tower design 4x 4.5" midrange woofers Definitive Technology Dymension DM40 Slim Tower Speaker, Adjustable Bipolar Array, (4) 4.5" Midrange Woofer, Tweeter, Dolby Atmos/DTS: X Ready with DM95 Height Module (sold separately), Black **Brand:** definitive technology **Price:** £1550.00 **Availability:** ✅ In Stock ## Summary > 🎶 Elevate your space with sound that commands attention ## Quick Answers - **What is this?** Definitive Technology Dymension DM40 Slim Tower Speaker, Adjustable Bipolar Array, (4) 4.5" Midrange Woofer, Tweeter, Dolby Atmos/DTS: X Ready with DM95 Height Module (sold separately), Black by definitive technology - **How much does it cost?** £1550.00 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/736078834-definitive-technology-dymension-dm40-slim-tower-speaker-adjustable-bipolar-array) ## Best For - definitive technology enthusiasts ## Why This Product - Trusted definitive technology brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Room-Filling Slim Tower:** Sleek 95cm footprint blends style with immersive sound - • **Adjustable Bipolar Array:** Multi-directional audio that adapts perfectly to your space - • **Crisp Midrange & Clear Vocals:** Four 4.5" woofers + aluminum oxide tweeters deliver razor-sharp clarity - • **Expandable Home Theater System:** Seamlessly integrates with DM20 & DM95 for next-level surround sound - • **Bass-Optimized Acoustic Cabinet:** Ported enclosure and resonance control for deep, punchy lows ## Overview The Definitive Technology Dymension DM40 is a slim, floor-standing tower speaker featuring four 4.5" midrange woofers and custom aluminum oxide tweeters. Its adjustable bipolar array delivers immersive, multi-directional sound optimized by an acoustically tuned cabinet for rich bass and clear mids. Dolby Atmos and DTS:X ready, it integrates effortlessly into any home theater setup, offering professional-grade audio performance in a minimalist design. ## Description Take your home theater audio to the next level with the Definitive Technology Dymension DM40 Slim Tower Speaker - The bipolar floor standing speaker with slim cabinet fits in any room and performs great in any home stereo system. The DM40 fully balanced bipolar arrays are adjusted to optimize room placement and hold the rear array attenuation switch for placement near the wall. This speaker features a 4.5" long slow mid-range woofer. Use composite polymer cones to improve mid-range detail, long slow surround optimizes driver excursions and improve low-end performance. Custom aluminum oxide tweeters for explicit voices provide smooth extended response with crisp transients and exceptional crisp resolutions. The slim cabinet design integrates the DM40 into almost any room, while the tuned cabinet offers enhanced bass extension and mid-range clarity with an acoustically optimized chamber. Whether you're listening to movie drama or sound details during the game, this tower speaker will always perform at your best. Consistent sound throughout Definitive Technology gives you the flexibility to mix and match Dymension CI and Mythos speakers, allowing you to design a complete home system with voice matching. Review: Excellent value and sound fantastic. There are perfect if you already have a subwoofer. ## Features - Slim Tower Speaker for Room Filling Audio - Crisp Technology Dolby Atmos/DTS:X Compatible Dymension DM40 Tower Speakers feature four 4.5" long throw mid-range woofers and tweeters for ultra-clear speech and incredible realism deliver detailed sound - FULLY BALANCED, ADJUSTABLE BI-POLE ARRAY - Featuring Definitive Technology, adjustable bi-pole array, front and rear focus speakers, the floor stand speaker fills the room with multi-directional, true-to-wrap sound - Acoustic Tuning Cabinet for Bass Response - The speaker features an acoustically optimized ported enclosure and column resonance control, providing strong bass response and clear mid-range - BUILD A COMPLETE HOME THEATER SYSTEM - This slim tower speaker matches the other Dymension series speakers and Timbles! Add DM20 center channel speakers and DM95 on-wall surround speakers (sold separately) to create an unmatched 5-channel surround sound system - MINIMALIST AND SLIM DESIGN - The slim front portion allows you to easily integrate the DM40 into almost any room setting, blend perfectly and look great. Cabinet foot spikes/pads included to position the speaker on the floor to level it - TOP-NOTCH SPEAKER SERIES - Definitive Technology Dymension series includes high-performance center channels, floor standing, bipolar tower, surround sound and wall speakers to deliver best-in-class audio through any home audio system ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BT45RRPS | | Additional Features | Surround Sound | | Antenna Location | For Surround Sound Systems | | Audio Driver Type | Dynamic Driver | | Audio Output Mode | Surround | | Brand | Definitive Technology | | Built-In Media | Carpet Spikes, Literary Pack, Speaker | | Color | Black | | Compatible Devices | Home Theater | | Connectivity Protocol | Assistance | | Connectivity Technology | Auxiliary | | Control Method | Voice | | Controller Type | Voice Control | | Customer Reviews | 5.0 5.0 out of 5 stars (5) | | Enclosure Material | Aluminum | | Is Electric | Yes | | Is Waterproof | False | | Item Dimensions D x W x H | 25.4D x 26.2W x 95H cm | | Item Weight | 38.14 Pounds | | MP3 player | No | | Manufacturer | Definitive Technology | | Model Name | DM40 | | Model Number | 300567-01-00-005 | | Mounting Type | Floor Standing | | Number of Audio Channels | 5 | | Number of Items | 1 | | Power Source | Corded Electric | | Speaker Maximum Output Power | 300 Watts | | Speaker Size | 4.5 Inches | | Speaker Type | Tower | | Specific Uses For Product | Home theater, gaming, watching TV | | Subwoofer Diameter | 4.5 Inches | | Tweeter Diameter | 1 Inches | | UPC | 747192137120 | | Water Resistance Level | Not Water Resistant | | Wireless Technology | Bluetooth | | Woofer Diameter | 4.5 Inches | ## Product Details - **Audio Output Mode:** Surround - **Brand:** Definitive Technology - **Connectivity Technology:** Auxiliary - **Mounting Type:** Floor Standing - **Speaker Maximum Output Power:** 300 Watts ## Images ![Definitive Technology Dymension DM40 Slim Tower Speaker, Adjustable Bipolar Array, (4) 4.5" Midrange Woofer, Tweeter, Dolby Atmos/DTS: X Ready with DM95 Height Module (sold separately), Black - Image 1](https://m.media-amazon.com/images/I/41j-msBbHQL.jpg) ![Definitive Technology Dymension DM40 Slim Tower Speaker, Adjustable Bipolar Array, (4) 4.5" Midrange Woofer, Tweeter, Dolby Atmos/DTS: X Ready with DM95 Height Module (sold separately), Black - Image 2](https://m.media-amazon.com/images/I/71I9ZX9oRrL.jpg) ![Definitive Technology Dymension DM40 Slim Tower Speaker, Adjustable Bipolar Array, (4) 4.5" Midrange Woofer, Tweeter, Dolby Atmos/DTS: X Ready with DM95 Height Module (sold separately), Black - Image 3](https://m.media-amazon.com/images/I/61nogaexUnL.jpg) ![Definitive Technology Dymension DM40 Slim Tower Speaker, Adjustable Bipolar Array, (4) 4.5" Midrange Woofer, Tweeter, Dolby Atmos/DTS: X Ready with DM95 Height Module (sold separately), Black - Image 4](https://m.media-amazon.com/images/I/71DrFrt1TYL.jpg) ![Definitive Technology Dymension DM40 Slim Tower Speaker, Adjustable Bipolar Array, (4) 4.5" Midrange Woofer, Tweeter, Dolby Atmos/DTS: X Ready with DM95 Height Module (sold separately), Black - Image 5](https://m.media-amazon.com/images/I/61gfGSr9bAL.jpg) ## Questions & Answers **Q: Which is the difference between this vs the 9080x tower, besides the atmos module?** A: The 9060’s have powered 10’s and the 9080’s have 12’s and both have the capability for atmos. Hope that helps **Q: Is the price ($2000 for DM70) for a single speaker or a pair?** A: Hello, floor-standing speakers are sold as each. They are priced per speaker. **Q: Is this a pair of speakers or only 1?** A: Only one. This is cost per 1 unit **Q: are these the 8080's or ? do these come with the atmos speakers built in or do I order those separately and if so do they mount on top these?** A: WHAT these are the old 8080's is the input power on the inter amp per one the same AS WHAT IS SO DIFFER the old 8080's VS THIS NEW MODEL ....looks like i have been waiting too long for something i could afford VERY DISAPOINTED I thought was completely Differ Speaker OR IF NOT SO CLOSE THE ONLY DIFFERIS ATMOS AND A LITTLE CABEN SHAPE UP LOOKS LIKE I will be looking at so PARRAGIGM'S. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by D***. on April 8, 2025* Excellent value and sound fantastic. There are perfect if you already have a subwoofer. ## Frequently Bought Together - Definitive Technology Dymension DM40 Slim Tower Speaker, Adjustable Bipolar Arrays, (4) 4.5" Midrange Woofers, & Tweeter, Dolby Atmos/DTS:X Ready with DM95 Height Module (Sold Separately), Black - Definitive Technology Dymension DM95 Speaker, Flexible Wall-Mountable Surround Speaker, 5.25" BDSS Mid/Bass Woofer, Aluminum Oxide Tweeter, Compatible with Dymension DM30 & DM80 Speakers, Black --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/736078834-definitive-technology-dymension-dm40-slim-tower-speaker-adjustable-bipolar-array](https://www.desertcart.co.uk/products/736078834-definitive-technology-dymension-dm40-slim-tower-speaker-adjustable-bipolar-array) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-03*